| FLEXTRONICS AP, LLC Patent applications |
| Patent application number | Title | Published |
| 20120125975 | INERT ENVIRONMENT ENCLOSURE - A novel inert environment enclosure includes an object inlet where production objects enter the enclosure and an object outlet where the production objects exit. At least one of the object inlet and the object outlet includes both a top-side flow obstructer and a bottom-side flow obstructer for preventing air from entering the enclosure. In a particular embodiment, the top-side flow obstructer and the bottom-side flow obstructer each include a curtain constructed from a flexible fabric having a plurality of individual adjacent fingers. In another particular embodiment, the inert environment enclosure is a nitrogen hood that houses a wave soldering machine. A inert gas nozzle is mounted at or near the inlet and/or the outlet. The inert environment enclosure maintains a positive pressure with respect to the surrounding environment when production objects are passed through the enclosure. | 05-24-2012 |
| 20120122327 | MOVEABLE EARTH PIN FOR LARGE FORM FACTOR POWER CONNECTORS - A power connector comprises a slidably positionable earth pin. The earth pin is able to be positioned in a travel, or small form factor and in an operational form factor. The housing of the connector comprises a member having a slot that defines a sliding path for the earth pin. The member also has two sets of grooves for receiving a set of spring loaded protrusions on the earth pin. The protrusions come to rest in one of the sets of grooves thereby defining a small form factor and an operational form factor. | 05-17-2012 |
| 20120118940 | UNIVERSAL RADIO FREQUENCY SHIELD REMOVAL - Apparatus and methods for removing components soldered to a printed circuit board (PCB). Embodiments presented generally include a contact plate having a component specific platform offset from the contact plate body. The offset platform may be substantially identical in size and shape as the component to be removed. Accordingly, contact between a heated platform and component may allow for conductive heating to occur based on contact with the component. Thus, forced air or convective heating of the component does not occur such that solder joint defects in adjacent components may be prevented. A vacuum retention port may be provided at an interface of the platform and component when in contact. The vacuum retention port may allow the freed component to be removed from the PCB using vacuum to hold the freed component to the platform. Also, apparatus for automation of a process according to the forgoing are presented. | 05-17-2012 |
| 20120113692 | CASCADE POWER SYSTEM ARCHITECTURE - A cascade power system comprises a non-isolated converter in a cascade configuration with an isolated converter and a controller that is coupled with the output of the isolated converter and the switching element of the non-isolated converter. The non-isolated converter steps-down the input voltage to a lower regulated voltage. The isolated converter converts the regulated voltage to a square wave signal that is output to a transformer and the controller. Thus, a the resulting feedback loop comprising the isolated converter, controller and non-isolated converter is completely independent from the output of the system. As a result, a feedback relation can be derived in the form of a feedback algorithm that can effectively regulate/adjust the output of the non-isolated converter and therefore the isolated converter output as well. Further, because the non-isolated converter steps down the voltage and the isolated converter operates on this low stepped down voltage, the system is able to be highly efficient. | 05-10-2012 |
| 20120113686 | VIRTUAL PARAMETRIC HIGH SIDE MOSFET DRIVER - A power supply apparatus and method of regulating is provided. A converter circuit includes a primary switching element and an auxiliary switching element. The auxiliary switching element is for transferring a reflected voltage signal. A transformer includes a primary and a secondary, the primary is coupled with the converter circuit. The converter circuit comprises a primary and an auxiliary switch for selectively determining a resonant frequency. The auxiliary switch is enabled by a driver having an independent power source so as to allow as strong a driver as necessary to drive a large auxiliary switch. | 05-10-2012 |
| 20120099016 | DISCREETLY POSITIONAL CAMERA HOUSING - A camera housing positionably coupled to an electronic appliance is disclosed. Preferably, the camera housing is positionable in two discrete positions such that the camera can be positioned to face towards or away from the user. The appliance includes a recess sized to receive the camera housing. A cellular telephone includes a camera housing which is positionable in two discrete positions. In the first position, the camera faces the user. In the second position, the camera faces away from the user. The camera housing is coupled to the cellular telephone by a hinge mechanism that latches the camera into one of the two positions. | 04-26-2012 |
| 20120055016 | SPLIT WAVE COMPENSATION FOR OPEN STUBS - In accordance with a first embodiment, the present invention provides a circuit substrate comprising a first surface; a second surface; a first via having a first end near said first surface and a second end near said second surface; a second via having a first end near said first surface and a second end near said second surface; a first conductive element electrically coupling said first end of said first via and said first end of said second via; a second conductive element electrically coupling said second end of said first via and said second end of said second via; an input signal line coupled to said first via; and an output signal line coupled to said second via. | 03-08-2012 |
| 20120045916 | REPLACEABLE CONNECTION FOR PORTABLE ELECTRONIC DEVICES - Systems and methods electrically connect a first electronic device or electrical component, having a external electrical connector, to a circuit board of a second electronic device. A low-cost, user-installable connection system isolates mechanical stresses imposed on the external electrical connector to within the user-installable connection system, thereby preventing the mechanical stresses from reaching the circuit board in the second electronic device. If the connection becomes faulty, only the low-cost, user-installable connection system must be replaced. | 02-23-2012 |
| 20110292526 | SYSTEM FOR STABILIZING AN OPTICS ASSEMBLY DURING TRANSLATION - An optical module includes a first optics group, a second optics group, and an image sensor, wherein the first optics group and second optics group are configured to provide an image having a focus and a magnification to the image sensor. In some embodiments of the present invention, a first optics assembly includes a first optics group coupled to a threaded portion of a first lead screw so that rotation of the first lead screw results in translation of the first optics group along an axis of the first lead screw, a first actuator for rotating the first lead screw; and a first sensing target configured to permit detection of rotation of the first lead screw. In some embodiments of the present invention a second optics assembly includes a second optics group coupled to a threaded portion of a second lead screw so that rotation of the second lead screw results in translation of the second optics group along an axis of the second lead screw, a second actuator for rotating the second lead screw, and second means for sensing configured to detect rotation of the second lead screw. | 12-01-2011 |
| 20110278836 | INTEGRATED SNAP AND HANDLING FEATURE - An integrated snap and handling apparatus is provided. The apparatus may be capable of being assembled with and disassembled from a mating component without damage. The apparatus may include a pair of features that provide an intuitive and easy user interface for removal, handling and installation. The pair of features may allow a user to use a pinching motion to engage and disengage the apparatus from the mating component without the use of a tool. The integrated snap and handling apparatus may provide for low removal forces when the user interface is properly actuated while resisting high separation forces when the user interface is not properly actuated. The integrated snap and handling apparatus may be incorporated into a wide variety of assemblies and devices. For example, the integrated snap and handling apparatus may be incorporated into a cooling duct for the control of airflow around an electronic component. | 11-17-2011 |
| 20110261590 | TWO STAGE RESONANT CONVERTER - A resonant converter comprising: a controllable current source; a resonant tank circuit coupled to the current source; and an isolated buck-type converter coupled to the resonant tank circuit, the isolated buck-type converter having an output, wherein the resonant tank circuit enables switches in the isolated buck-type converter to switch under soft-switching conditions. In some embodiments, the controllable current source is a switch-mode-type current source. In some embodiments, the isolated buck-type converter comprises a half-bridge converter. In some embodiments, the isolated buck-type converter comprises a full-bridge converter. In some embodiments, the isolated buck-type converter comprises a push-pull converter. | 10-27-2011 |
| 20110250787 | REPLACEABLE CONNECTION FOR PORTABLE ELECTRONIC DEVICES - Systems and methods electrically connect a first electronic device or electrical component, having a external electrical connector, to a circuit board of a second electronic device. A low-cost, user-installable connection system isolates mechanical stresses imposed on the external electrical connector to within the user-installable connection system, thereby preventing the mechanical stresses from reaching the circuit board in the second electronic device. If the connection becomes faulty, only the low-cost, user-installable connection system must be replaced. | 10-13-2011 |
| 20110244922 | MENU ICONS WITH DESCRIPTIVE AUDIO - A mobile phone comprising: a user interface configured to display a menu system and to receive input; and an electronic device configured to: provide the menu system having menu levels with each menu level comprising distinct menu items, enable the user to make a preliminary selection of any distinct menu item at a first menu level, wherein the user remains at the first menu level upon making the preliminary selection, provide an audio output in response to the user making a preliminary selection of any of the distinct menu items, wherein the audio output is unique for each distinct menu item, and enable the user to make a determinative selection of any distinct menu item at a first menu level only after a preliminary selection of that distinct menu item has been made, wherein the user proceeds to a second menu level upon making the determinative selection. | 10-06-2011 |
| 20110242001 | Simplified Mechanical Design for an Acoustic Touch Screen - A simplified touch screen system that can sense when an object is held in continuous direct or indirect contact with a transparent substrate of the touch screen system as well as determine a location (e.g., X, Y coordinates) of the object in relation to the transparent substrate. The touch screen system employs capacitance technology to sense whether the object is held in contact with the transparent substrate and acoustic sensing technology to determine a position of the object that is contacting the transparent substrate. The touch screen system requires a reduced number of shielding and isolation layers to be deposited upon the transparent substrate, partially because the touch screen system utilizes a bezel associated with an underlying display to provide shielding against electromagnetic radiation emitted by the display. | 10-06-2011 |
| 20110240718 | UNIVERSAL RADIO FREQUENCY SHIELD REMOVAL - Apparatus and methods for removing components soldered to a printed circuit board (PCB). Embodiments presented generally include a contact plate having a component specific platform offset from the contact plate body. The offset platform may be substantially identical in size and shape as the component to be removed. Accordingly, contact between a heated platform and component may allow for conductive heating to occur based on contact with the component. Thus, forced air or convective heating of the component does not occur such that solder joint defects in adjacent components may be prevented. A vacuum retention port may be provided at an interface of the platform and component when in contact. The vacuum retention port may allow the freed component to be removed from the PCB using vacuum to hold the freed component to the platform. Also, apparatus for automation of a process according to the forgoing are presented. | 10-06-2011 |
| 20110240348 | BACKDRILLING OF MULTILAYER PRINTED CIRCUIT BOARDS - Methods of backdrilling printed circuit boards (PCBs) to remove via stubs and related apparatuses. The method may include removing a via stub through a combination of backdrilling and chemical etching. The backdrilling may remove a masking layer from the via stub. Portions of an underlying layer may remain in the region of the via stub after the backdrilling is completed. The remaining portions of the underlying layer may be removed in a subsequent etching process thereby removing the via stub from the PCB. As the backdrilling step may be used for the limited purpose of removing the outer layer and portions of the underlying layer remaining in the via can be tolerated, the diameter of the backdrilling need not be as large as traditional backdrilling where all layers within the via must be ensured of being completely removed. | 10-06-2011 |
| 20110239775 | PIN SOLDERING FOR PRINTED CIRCUIT BOARD FAILURE TESTING - Systems and methods for performing pin-pull testing of a printed circuit board (PCB) are presented. The pin-pull testing generally involves the use of a standard tensile tester that is useful for performing other tests aside from pin-pull testing. In this regard, a non-specific pin may be used in conjunction with the tensile tester without the need to purchase or manufacture pins specially adapted for use with a specially designed tensile tester. Additionally, the pin-pull testing may include application of heat to the pin by way of an external heat supply such that the need of a heater integrated into the testing device to heat a pin during the testing may be eliminated. As such, a common heating element (e.g., a standard soldering iron) may be employed by applying heat to a pin directly with the external heat supply. Additionally, a dying process is presented that may be performed on a PCB prior to the pin-pull test that allows for evaluation of the presence of cracks in the PCB adjacent to a contact pad prior to the execution of the pin-pull test. | 10-06-2011 |
| 20110232080 | MAGNETIC COMPONENT ASSEMBLY - Generally, methods and processes for assembling magnetic components are presented herein. More specifically, conductors are wound around a substantially hollow bobbin. Portions of the conductors may be temporarily positioned outside the bobbin through slots in the flanges of the bobbin during the assembly process. Insulating layers may be wrapped around the conductors. The center legs of a pair of magnetic core halves may be inserted into the bobbin. The base of the magnetic core halves may have a passage to allow a conductor to pass therethrough at a height less than the height of the base. | 09-29-2011 |
| 20110228154 | CAMERA MODULE BACK-FOCAL LENGTH ADJUSTMENT METHOD AND ULTRA COMPACT COMPONENTS PACKAGING - The present invention relates to methods of manufacturing ultra-compact camera modules, adjusting them, post production, to precise focal point settings, and sealing the precisely aligned assembly to maintain the focal point. Also, the invention specifically relates to ultra-compact camera module apparatuses. | 09-22-2011 |
| 20110226843 | SOLDER RETURN FOR WAVE SOLDER NOZZLE - A solder return apparatus for a wave solder machine that collects solder exiting a nozzle and returns the solder to a solder reservoir while limiting the degree to which the solder can splash onto electronic substrates (e.g., printed circuit boards), components of the wave solder machine, and/or the like. The apparatus includes a mounting section that may be placed over an upper surface of the nozzle and a collection section that collects the solder and returns the solder to the solder reservoir. The collection section includes a trough having an opening in a bottom wall of the trough and a flow control member that can adjust a quantity of solder exiting the trough as well as the velocity of the solder exiting the trough. One or more deflection plates can be mounted so as to extend from the trough into solder in the solder reservoir to further contain the solder and limit the degree to which splashing solder can reach unintended locations. | 09-22-2011 |
| 20110203840 | TEST POINT DESIGN FOR A HIGH SPEED BUS - A circuit board includes a pair of differential signal lines and a pair of test point pads, one test point pad coupled to one of the signal lines and another of the test point pads coupled to another of the signal lines. The two test point pads are staggered relative to each other and the two signal lines. The circuit board includes a plurality of conductive layers and a plurality of insulating layers. The conductive layers can be etched into conductive patterns, or traces, for connecting the electronic components, which are soldered to the circuit board. The conductive layers may be selectively connected together by vias. One or more of the conductive layers may be a metal plane for providing a ground plane and/or a power plane. To minimize or eliminate the capacitance generated between the test point pad and an underlying ground plane and/or power plane, portions of the ground plane and/or the portion of the power plane directly aligned with each test point pad are removed. | 08-25-2011 |
| 20110199328 | TOUCH SCREEN SYSTEM WITH ACOUSTIC AND CAPACITIVE SENSING - A touch screen system that can sense when an object is held in continuous direct or indirect contact with a transparent substrate of the touch screen system as well as determine a location (e.g., X, Y coordinates) of the object in relation to the transparent substrate. The touch screen system employs dynamic surface capacitance technology to sense whether the object is held in contact with the transparent substrate and acoustic sensing technology to determine a position of the object that is contacting the transparent substrate. | 08-18-2011 |
| 20110188165 | RESISTOR WITH THERMAL ELEMENT - A current limiter and related methods to protect a switched-mode power supply from inrush current. The current limiter may include a resistive element electrically interconnected in series to a thermal element. The resistive element and the thermal element may be disposed about a single, unitary core. The resistive element may be in the form of a wire wound resistor wound about the core. The thermal element may be in the form of plated portion of the core. The thermal element may act as a thermal fuse to prevent overheating and unsafe failure of the resistive element in cases where excessive current passes through the resistive element. The thermal element may be configured to trip in a safe manner without sparking or creating exposed energized conductors. Thus the current limiter may be operable to limit inrush current while providing for safe failure modes. | 08-04-2011 |
| 20110170325 | LINE SWITCHER FOR POWER CONVERTERS - A regulated power supply apparatus and method are provided. The apparatus includes a converter circuit for generating a regulated voltage signal. The converter circuit includes a first switching circuit and a second switching circuit both coupled with an output circuit. A first and a second transformer include a first and a second secondary, which are coupled with each other in series or alternatively, coupled with each other in parallel. An input rectifier circuit is coupled with the first and the second switching circuit. The input rectifier circuit is configured for receiving an AC input voltage and for generating a rectified voltage. The input rectifier circuit includes controlled switches and a first and second configuration of a bridge rectifier that couples the first and second switching circuits in series or parallel depending if the AC input power signal is “high-line” or “low-line.” A controller circuit is provided for enabling either the first configuration or the second configuration. A configuration switch is controlled by the controller circuit for coupling the first and second switching circuits together. | 07-14-2011 |
| 20110132529 | DIFFUSION DECORATION TECHNOLOGY - Systems and methods for decoratively coating a substrate are disclosed wherein the ink is diffused into the substrate, as opposed to onto the substrate. Substrates are able to comprise metals, plastics, bamboo, wood, glass, and metals wherein such materials can also be pre-coated. A system for transferring a decorative image to a substrate comprises a chamber configured to receive a substrate, a means for securing a transfer medium containing the decorative image to be transferred, an optional vacuum source coupled to the chamber, and a heat source removably coupled to the chamber. The transfer is positioned face down onto a surface of the substrate, secured into position. The vacuum source may be used to evacuate the chamber to more tightly pull the transfer medium to the substrate. Then the substrate and transfer are heated, and the transfer medium ink diffuses into the substrate, thereby diffusing the image into the substrate. | 06-09-2011 |
| 20110128696 | APPARATUS FOR AND METHOD OF SCREWLESS ASSEMBLY AND ADJUSTABLE DAMPING STRUCTURE FOR PANEL STRESS RELIEF - An electronic component assembly and vibration reduction device having screwless design with cantilever clips to clam and locate the electronic panels onto the mounting brackets or fasten the information storage devices onto cases are disclosed. The cantilever clip contain damping structures, which can generate damping effect to reduce vibrations. The effectiveness of the damping structure can be adjusted through the adjustment of the length, thickness, materials and other factors of the cantilever clip. The damping effect is generated by moving the cantilever clips in an oscillatory manner. | 06-02-2011 |
| 20110103119 | APPARATUS FOR AND METHOD OF COOLING ELECTRONIC CIRCUITS - An electronic device such as an AC/DC power adapter includes a conductive heat dissipation system. The device contains heat generating components and is powered via power supply leads by an external power supply circuit. The device further contains a thermally conductive mass that is thermally coupled to both the heat generating components and to the power supply leads. When the power supply leads are coupled to receive electricity from the external power supply circuit, heat generated by the device is thermally conducted into the external power supply circuit via the power supply leads. | 05-05-2011 |
| 20110052183 | AF/ZOOM SHUTTER WITH TWO BLADES FUNCTION - A miniature camera module comprising: a module frame comprising a surface with a conduit passing through the surface, thereby allowing light to pass through the surface via the conduit; a first blade coupled to the module frame and configured to rotate about a first axis between an open position and a closed position, wherein the first blade does not eclipse the conduit at all when in the open position and the first blade at least partially eclipses the conduit when in the closed position; a first solenoid coupled to the module frame; and a first pin coupled to the first solenoid, wherein an actuation of the first solenoid causes the first pin to rotate the first blade from the open position to the closed position. In some embodiments, the module includes additional blades, solenoids and pins. | 03-03-2011 |
| 20110050381 | METHOD OF PRODUCING A MULTI-TURN COIL FROM FOLDED FLEXIBLE CIRCUITRY - A multi-turn coil device comprising a flexible circuit board and a plurality of serially electrically coupled coils coupled to both sides of the flexible circuit board. The coils are formed such that when the circuit board is folded in an accordion manner, the coils are substantially aligned and have the same direction of current flow. The coils are serially coupled sequentially from front to back and back to front wherein the coupling of the coils is through a plated through hole in the flexible circuit board. | 03-03-2011 |
| 20110017805 | INERT ENVIRONMENT ENCLOSURE - A novel inert environment enclosure includes an object inlet where production objects enter the enclosure and an object outlet where the production objects exit. At least one of the object inlet and the object outlet includes both a top-side flow obstructer and a bottom-side flow obstructer for preventing air from entering the enclosure. In a particular embodiment, the top-side flow obstructer and the bottom-side flow obstructer each include a curtain constructed from a flexible fabric having a plurality of individual adjacent fingers. In another particular embodiment, the inert environment enclosure is a nitrogen hood that houses a wave soldering machine. A inert gas nozzle is mounted at or near the inlet and/or the outlet. The inert environment enclosure maintains a positive pressure with respect to the surrounding environment when production objects are passed through the enclosure. | 01-27-2011 |
| 20100325883 | CAMERA MODULE BACK-FOCAL LENGTH ADJUSTMENT METHOD AND ULTRA COMPACT COMPONENTS PACKAGING - The present invention relates to methods of manufacturing ultra-compact camera modules, adjusting them, post production, to precise focal point settings, and sealing the precisely aligned assembly to maintain the focal point. Also, the invention specifically relates to ultra-compact camera module apparatuses. | 12-30-2010 |
| 20100322441 | NOTEBOOK POWER SUPPLY WITH INTEGRATED SUBWOOFER - A portable electrical appliance comprises an audio signal source, a power supply module having a housing external to the portable electrical appliance for providing power to the electronic appliance having, a power converter for providing DC power to at least the portable electrical appliance, a speaker for generating sound and audio processing means for manipulating audio signals from the audio signal source, wherein the power converter, audio processing means and speaker are mounted within the housing, and communication means for coupling the audio signal to the processing means. The communication means is able to be wireless or wired. | 12-23-2010 |
| 20100289466 | CLOSED LOOP NEGATIVE FEEDBACK SYSTEM WITH LOW FREQUENCY MODULATED GAIN - A power supply apparatus and method of regulating is provided. A clock generator circuit is configured for generating a clock signal at a predetermined frequency. An amplifier circuit is coupled with the clock generator circuit. The amplifier circuit includes a gain circuit coupled with the clock generator circuit. The amplifier circuit is configured to receive the clock signal at a switching element of the gain circuit. A controller circuit is configured for receiving a modulated error signal of the amplifier circuit and is configured for generating a pulse width modulated signal for controlling a duty cycle of the switching circuit. The switching circuit is configured for receiving the modulated error signal. The error signal is modulated using the clock signal to vary a gain value of the gain circuit according to the predetermined frequency. An output circuit is coupled with the switching circuit and is configured for generating a regulated voltage signal. The controller circuit uses the modulated error signal to substantially reduce harmonic distribution in a switching frequency of the switching circuit. Harmonic distribution in the switching circuit can be reduce by 10.0 db or greater. | 11-18-2010 |
| 20100156846 | SINGLE SUBSTRATE CAPACITIVE TOUCH PANEL - A touch screen sensor assembly that includes a single substrate. In one embodiment, the assembly includes a first patterned transparent conductive layer (e.g., indium tin oxide) disposed on top of the substrate. The assembly also includes a second patterned transparent conductive layer disposed over the first conductive layer, with a layer of silicon oxide disposed therebetween. The silicon oxide layer functions to electrically isolate the first and second conductive layers, thereby eliminating the need for two substrates or a single substrate having transparent conductive layers on each of its top and bottom surfaces. The assembly may also be connectable to a single, non-bifurcated flexible printed circuit operative to connect the assembly to a controller. | 06-24-2010 |
| 20100067276 | TWO TERMINALS QUASI RESONANT TANK CIRCUIT - A power converter includes a transformer, a primary switch, an auxiliary switch, first and second resonance capacitors, and a secondary side rectification means. A switch mode power supply is formed to use reflected voltage and parasitic capacitance as an energy source for a transformer resonance. The auxiliary switch effectively exchanges energy between the primary inductance of the transformer and the first and second resonant capacitors. The auxiliary switch effectively switches the transformer resonance between two distinct frequencies. In one embodiment of the invention, the power converter can be, but is not limited to, a flyback converter and further includes a comparator and a driver. The comparator is for detecting the voltage across the second resonance capacitor and the driver is configured to drive the auxiliary switch based on the output state of the comparator. The resonant nature of the converter provides zero voltage (ZVS) for the primary switch as well as for the auxiliary switch. | 03-18-2010 |
| 20100061123 | TWO TERMINALS QUASI RESONANT TANK CIRCUIT - A power converter includes a transformer, a primary switch, an auxiliary switch, first and second resonance capacitors, and a secondary side rectification means. A switch mode power supply is formed to use reflected voltage and parasitic capacitance as an energy source for a transformer resonance. The auxiliary switch effectively exchanges energy between the primary inductance of the transformer and the first and second resonant capacitors. The auxiliary switch effectively switches the transformer resonance between two distinct frequencies. In one embodiment of the invention, the power converter can be, but is not limited to, a flyback converter and further includes a comparator and a driver. The comparator is for detecting the voltage across the second resonance capacitor and the driver is configured to drive the auxiliary switch based on the output state of the comparator. The resonant nature of the converter provides zero voltage (ZVS) for the primary switch as well as for the auxiliary switch. | 03-11-2010 |
| 20100026659 | GLASS SUBSTRATE FOR CAPACITIVE TOUCH PANEL AND MANUFACTURING METHOD THEREOF - A capacitive touch screen panel includes top and bottom ITO coated glass sheets that may both be connected to detection electronics (e.g., a controller) by way of a single, normal flexible printed circuit connector. The ITO coated surface of each of the top and bottom glass sheets may face each other and a transparent material such as an optically clear adhesive may be disposed between the top and bottom glass sheets. In some embodiments, a number of spacers may be disposed between the top and bottom glass sheets to maintain a desired gap between the sheets. In other embodiments, the single, normal flexible printed circuit connector may generally reside in a single plane. | 02-04-2010 |
| 20090273900 | Computer Card Retention Device - A computer card retention device ( | 11-05-2009 |
| 20090257256 | HIGH EFFICIENT INPUT CURRENT SHAPING FOR AC TO DC CONVERTERS WITH POWER FACTOR CORRECTION REQUIREMENT - A high efficient input current shaping AC to DC converter with PFC front end that reduces input current harmonics is provided. In one embodiment, an AC to DC converter connectable with an alternating current source and operable to output a direct current comprises a PFC front end followed by a DC/DC converter. The PFC front end reduces harmonic components present in an input current waveform received by the PFC front end from the alternating current source and includes current steering circuitry and, optionally, valley filling circuitry. The DC/DC converter comprises one that presents pure resistive input impedance to the PFC front end. The DC/DC converter outputs the direct current to a load connected thereto. | 10-15-2009 |
| 20090257255 | ACTIVE SNUBBER FOR TRANSITION MODE POWER CONVERTER - A transition mode power converter having an active snubber the operation of which is controlled using an auxiliary winding on the transformer of the power converter. In one embodiment, the power converter includes a transformer having a primary winding connected to a voltage source, a primary switch, an auxiliary switch, a capacitor, and an auxiliary winding on the transformer. The primary switch includes a first terminal connected to the primary winding of the transformer and a second terminal connected to a common node. The auxiliary switch includes a first terminal connected to the voltage source and to the primary winding. The capacitor is connected between a second terminal of the auxiliary switch and the first terminal of the primary switch. The auxiliary winding of the transformer is connected to a third terminal of the auxiliary switch and controls operation of the auxiliary switch via the third terminal. | 10-15-2009 |
| 20090213262 | ATTACHMENT OF WAFER LEVEL OPTICS - A technique for assembling camera modules that includes attaching optical elements, such as an optics stack, directly to the upper surface of an image sensor. A housing may be provided to partially surrounded the optics stack. Alternatively, the housing can be provided by a transfer molding process. This technique can be applied in array processing scenario and solder balls can be attached to the bottom of the image sensor to provide an efficiently-produced and low cost camera module. | 08-27-2009 |
| 20080291619 | Computer Drive Cage with Integrated Biasing Elements - A computer drive cage ( | 11-27-2008 |